257906889

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{14321}}^1$

素因数の和:14382

約数の個数: 32

約数和(自身を含む): 412473600

約数和(自身を除く): 154566711

約数列:

[1, 3, 9, 23, 27, 29, 69, 87, 207, 261, 621, 667, 783, 2001, 6003, 14321, 18009, 42963, 128889, 329383, 386667, 415309, 988149, 1245927, 2964447, 3737781, 8893341, 9552107, 11213343, 28656321, 85968963, 257906889]

約数ペア:

[(1, 257906889), (3, 85968963), (9, 28656321), (23, 11213343), (27, 9552107), (29, 8893341), (69, 3737781), (87, 2964447), (207, 1245927), (261, 988149), (621, 415309), (667, 386667), (783, 329383), (2001, 128889), (6003, 42963), (14321, 18009)]